/**
 * Library filter flags (RCL-09), shared by `doc list` and `doc search`.
 *
 * One definition of the facets, so the two surfaces cannot drift into
 * meaning different things by `--site`.
 *
 * @module v1/cli/commands/doc-filters
 */
import type { LibraryFilter } from '../knowledge/library.js';
import type { CommandContext, CommandOption } from '../types.js';
/**
 * Repeated flags arrive as arrays, a single one as a string, and `--tag a,b`
 * is the shorthand people type anyway; all three land as a list here.
 */
export declare const FILTER_OPTIONS: CommandOption[];
export declare function flagList(value: unknown): string[] | undefined;
export declare function libraryFilterFromFlags(ctx: CommandContext): LibraryFilter;
export declare const hasFilter: (f: LibraryFilter) => boolean;
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